Tadayoshi Sakai

442 total citations · 1 hit paper
4 papers, 336 citations indexed

About

Tadayoshi Sakai is a scholar working on Condensed Matter Physics, Atomic and Molecular Physics, and Optics and Biomedical Engineering. According to data from OpenAlex, Tadayoshi Sakai has authored 4 papers receiving a total of 336 indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Condensed Matter Physics, 3 papers in Atomic and Molecular Physics, and Optics and 3 papers in Biomedical Engineering. Recurrent topics in Tadayoshi Sakai's work include GaN-based semiconductor devices and materials (3 papers), Semiconductor Quantum Structures and Devices (3 papers) and Nanowire Synthesis and Applications (2 papers). Tadayoshi Sakai is often cited by papers focused on GaN-based semiconductor devices and materials (3 papers), Semiconductor Quantum Structures and Devices (3 papers) and Nanowire Synthesis and Applications (2 papers). Tadayoshi Sakai collaborates with scholars based in Japan and United States. Tadayoshi Sakai's co-authors include Hiroshi Amano, Maki Kushimoto, Chiaki Sasaoka, L. J. Schowalter, Naoharu Sugiyama, Ziyi Zhang, Yoshio Honda, Manato Deki and Shigekazu Tomai and has published in prestigious journals such as Applied Physics Letters, Japanese Journal of Applied Physics and Applied Physics Express.

In The Last Decade

Tadayoshi Sakai

4 papers receiving 329 citations

Hit Papers

A 271.8 nm deep-ultraviolet laser diode for room temperat... 2019 2026 2021 2023 2019 50 100 150 200
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A 271.8 nm deep-ultraviolet laser diode for room temperature operation
    2019 244 citations Ziyi Zhang, Maki Kushimoto et al. Applied Physics Express profile →

Peers

Tadayoshi Sakai
K. C. Zeng United States
Martin Martens Germany
S. Valdueza‐Felip Spain
Md. Mahbub Satter United States
Felix Nippert Germany
K. K. Choi South Korea
Y. Smorchkova United States
J.-Y. Duboz France
David A. Browne United States
K. C. Zeng United States
Tadayoshi Sakai
Citations per year, relative to Tadayoshi Sakai Tadayoshi Sakai (= 1×) peers K. C. Zeng

Countries citing papers authored by Tadayoshi Sakai

Since Specialization
Citations

This map shows the geographic impact of Tadayoshi Sakai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Tadayoshi Sakai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Tadayoshi Sakai more than expected).

Fields of papers citing papers by Tadayoshi Sakai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tadayoshi Sakai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Tadayoshi Sakai. The network helps show where Tadayoshi Sakai may publish in the future.

Co-authorship network of co-authors of Tadayoshi Sakai

This figure shows the co-authorship network connecting the top 25 collaborators of Tadayoshi Sakai. A scholar is included among the top collaborators of Tadayoshi Sakai based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Tadayoshi Sakai. Tadayoshi Sakai is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

4 of 4 papers shown
1.
Sakai, Tadayoshi, Maki Kushimoto, Ziyi Zhang, et al.. (2020). On-wafer fabrication of etched-mirror UV-C laser diodes with the ALD-deposited DBR. Applied Physics Letters. 116(12). 48 indexed citations
2.
Zhang, Ziyi, Maki Kushimoto, Tadayoshi Sakai, et al.. (2020). Design and characterization of a low-optical-loss UV-C laser diode. Japanese Journal of Applied Physics. 59(9). 94001–94001. 39 indexed citations
3.
Kushimoto, Maki, Tadayoshi Sakai, Shigekazu Tomai, et al.. (2020). Effect of Annealing on the Electrical and Optical Properties of MgZnO Films Deposited by Radio Frequency Magnetron Sputtering. physica status solidi (a). 217(14). 5 indexed citations
4.
Zhang, Ziyi, Maki Kushimoto, Tadayoshi Sakai, et al.. (2019). A 271.8 nm deep-ultraviolet laser diode for room temperature operation. Applied Physics Express. 12(12). 124003–124003. 244 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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2026